Perhaps you should try some spelling variations:
information please » information preface, information case, information learned
oral communication » personal communication
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
3 developing » 3 development
developing 2 » developing _, developing a, developing e
please 2 » please _, please 5, phase 2
2 access » 3 access
costs 3 » costs _, costs 4, costs a
2 oral » _ oral, 4 oral

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information please 2 oral communication costs 3 developing 2 access.*.